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Kinetic energy of electron in a mono ele...

Kinetic energy of electron in a mono electronic species is +1313 lJ/mole. Then which of the following statements are correct
(I) The electron is present in the `2^(nd)` orbit of `He^(+)` ions
(II) The electron is present in the `2^(nd)` orbit of H atom
(III) The electron is present in the `3^(rd)` orbit of `Li^(+2)` ion
(IV) The electron is present in the `4^(th)` orbit of `He^(+)` ion

A

I and II

B

II and III

C

I and III

D

III and IV

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-ATOMIC STRUCTURE-OBJECTIVE EXERCISE - 2
  1. In Bohr series of lines of hydrogen spectrum, the third line from the ...

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  2. The Ionisation potential of Hydrogen is 2.17 xx10^(-1) erg/atom. The e...

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  3. Kinetic energy of electron in a mono electronic species is +1313 lJ/mo...

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  4. Ionisation energy of He^(+) is 19.6 xx 10^(-18)"J atom"^(-1) The energ...

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  5. The wavelength of radiation required to remove the electron of hydroge...

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  6. The velocity of electron in hydrogen atom is 7.29 xx 10cm/sec. The pot...

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  7. In an atom two electrons move around the nucleus in circular orbits of...

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  8. E(1) for He is -54.4 eV. The E(2) for He^(+) would be

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  9. Using Bohr's equation for the energy levels of the electron in Hydroge...

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  10. The de Broglie wavelength associated with a moving particle of fixed m...

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  11. For an electron to have the same de Broglie wave length as that of a D...

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  12. What possibly can the ratio be of the de Broglie wavelengths for two e...

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  13. The wavelength in meters, of an object of mass 1.0g moving with a velo...

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  14. A hydrogen molecule and helium atom are moving with the same velocity....

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  15. Wavelength of an electron is 5Å Velocity of the electron is

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  16. The wavelength associated with a golf ball weighing 200g and moving at...

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  17. What possibly can the ratio be of the de Broglie wavelengths for two e...

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  18. The wavelength in meters, of an object of mass 1.0g moving with a velo...

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  19. The size of a mircorscopic particle is 1 micron and its mass is 6 xx 1...

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  20. The uncertainty in the position of an electron ("mass "9.1 xx 10^(-28)...

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